uhd/host/lib/utils/log_c.cpp
2017-07-21 09:24:26 -07:00

71 lines
1.7 KiB
C++

/*
* Copyright 2017 Ettus Research (National Instruments Corp)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <uhd/utils/log.h>
#include <uhd/utils/log.hpp>
#include <stdarg.h>
void UHD_API _uhd_log(
const uhd_log_severity_level_t log_level,
const char *filename,
const int lineno,
const char *component,
const char *format,
...
) {
int size = 0;
char *c_str = NULL;
va_list ap;
/* figure out size */
va_start(ap, format);
size = vsnprintf(c_str, size, format, ap);
va_end(ap);
if (size < 0) {
return;
}
/* trailing '\0' */
size++;
c_str = (char *)malloc(size);
if (!c_str) {
return;
}
va_start(ap, format);
size = vsnprintf(c_str, size, format, ap);
if (size < 0) {
goto out_free;
}
va_end(ap);
try {
uhd::_log::log(
static_cast<uhd::log::severity_level>(log_level),
filename,
unsigned(lineno),
component,
boost::this_thread::get_id()
) << c_str;
} catch (...) {}
out_free:
free(c_str);
return;
}